When a burning candle is introduced into the glass jar filled with carbon dioxide, it
gets extinguish
The explanation for the correct option
Option B, Gets extinguished:
Because everything that burns needs an oxygen supply, but the jar is packed with carbon dioxide, so the burning candle will extinguish when introduced into the glass jar filled with carbon dioxide.
The explanation for incorrect options
Option A burns brightly:
Everything needs oxygen for burning but a jar is filled with carbon dioxide. So it will not burn brightly.
Option C, Continues burning:
Everything that burns needs oxygen, but if the jar is packed with carbon dioxide, it will burn off.
Option D:
A jar is filled with carbon dioxide which is extinguisher gas, not a combustible substance.
Hence, Option B, Gets extinguished is the correct option.